Analysis

  • max time kernel
    72s
  • max time network
    62s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    12-07-2020 08:06

General

  • Target

    REV- PI 1696195.exe

  • Size

    392KB

  • MD5

    3c0946462f437b2d9b899bc140bfaff1

  • SHA1

    f89981b931c60a201deae175b6515491e5301716

  • SHA256

    8184f5c076e0843551942cca6c5f1dbc72ddb32d1fe9d4b415eccca59651060d

  • SHA512

    8e8a464017fa68594ad473b7117d3ed128d4ea08bfcdab5b394d7dbd220481b0d67cbbc7fb692796c6653a5780917ce0e0b3da57bb3e0c7d752ac8d0c31cfe4d

Malware Config

Signatures

  • Suspicious use of WriteProcessMemory 13 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

Processes

  • C:\Users\Admin\AppData\Local\Temp\REV- PI 1696195.exe
    "C:\Users\Admin\AppData\Local\Temp\REV- PI 1696195.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    • Suspicious use of SetThreadContext
    PID:892
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\cyvKiQyyTFW" /XML "C:\Users\Admin\AppData\Local\Temp\tmp85C2.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1508
    • C:\Users\Admin\AppData\Local\Temp\REV- PI 1696195.exe
      "{path}"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious behavior: EnumeratesProcesses
      PID:240

Network

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Credential Access

Credentials in Files

3
T1081

Collection

Data from Local System

3
T1005

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp85C2.tmp
  • memory/240-2-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/240-3-0x00000000004471FE-mapping.dmp
  • memory/240-4-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/240-5-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/1508-0-0x0000000000000000-mapping.dmp